In a statement released on November 2, West Midlands Police confirmed that they were called to an incident on that road, but said only two people were taken to hospital with superficial knife injuries.

Police closed the road for two hours whilst a forensic team scoured the busy street for evidence before it reopened later that night.

A West Midlands Police spokeswoman said that police were aware of the video and investigations would continue.

The attack only ended when a man came along and ordered the group to leave the victim alone (Picture: Triangle News)